A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.
Other carbon-nitrogen lyases
The following ENZYME entries belong to class 4.3.99.-:
188.8.131.52 Transferred entry: 184.108.40.206 220.127.116.11 Transferred entry: 18.104.22.168 22.214.171.124 7-carboxy-7-deazaguanine synthase 126.96.36.199 Choline trimethylamine-lyase